Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Harper, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-635 A HRPRIAXORS1  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-635 1   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-635 2   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-635 5   544H INTEGRATED PATH COMMUNICATIONS, LLC - IA 632   2018-05-15   
641-635 6   221F ONVOY, LLC IA 632   2019-11-29   
641-635 7   7575 CENTURYLINK COMMUNICATIONS LLC 632   2017-04-01   
641-635 9   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.